def test_bitwise_hamming_distance(self):
# set up some temp files
# set up some temp files
f1d = open(self.f1, "w")
f2d = open(self.f2, "w")
f1d.write("aaaaaaaaa")
f2d.write("acaacaxac")
f1d.close()
f2d.close()
self.assertEqual(bitwise_hamming_distance(self.f1, self.f2), 6)
self.assertEqual(bitwise_hamming_distance(self.f1, self.f1), 0)
self.assertEqual(bitwise_hamming_distance(self.f2, self.f2), 0)
def test_bitwise_hamming_distance(self):
# set up some temp files
# set up some temp files
f1d = open(self.f1, 'w')
f2d = open(self.f2, 'w')
f1d.write("aaaaaaaaa")
f2d.write("acaacaxac")
f1d.close()
f2d.close()
self.assertEqual(bitwise_hamming_distance(self.f1, self.f2), 6)
self.assertEqual(bitwise_hamming_distance(self.f1, self.f1), 0)
self.assertEqual(bitwise_hamming_distance(self.f2, self.f2), 0)
def calculate_hamming_distances(self):
# If the fuzzed file is a valid zip, then we're fuzzing zip contents,
# not the container
self.is_zipfile = check_zip_file(self.fuzzedfile.path)
try:
if self.is_zipfile:
self.hd_bits = hamming.bitwise_zip_hamming_distance(
self.seedfile.path, self.fuzzedfile.path)
self.hd_bytes = hamming.bytewise_zip_hamming_distance(
self.seedfile.path, self.fuzzedfile.path)
else:
self.hd_bits = hamming.bitwise_hamming_distance(
self.seedfile.path, self.fuzzedfile.path)
self.hd_bytes = hamming.bytewise_hamming_distance(
self.seedfile.path, self.fuzzedfile.path)
except KeyError:
# one of the files wasn't defined
logger.warning(
'Cannot find either sf_path or minimized file to calculate Hamming Distances'
)
except AssertionError:
# Some apps change the size of the file they open. BFF-1017
logger.warning(
'File size changed on disk. Cannot calculate Hamming Distances'
)
# We'll use -1 HD as indication of unexpected size change
self.hd_bits = -1
self.hd_bytes = -1
logger.info("crasher=%s bitwise_hd=%d", self.signature, self.hd_bits)
logger.info("crasher=%s bytewise_hd=%d", self.signature, self.hd_bytes)
def calculate_hamming_distances(self):
# If the fuzzed file is a valid zip, then we're fuzzing zip contents,
# not the container
self.is_zipfile = check_zip_file(self.fuzzedfile.path)
try:
if self.is_zipfile:
self.hd_bits = hamming.bitwise_zip_hamming_distance(
self.seedfile.path, self.fuzzedfile.path)
self.hd_bytes = hamming.bytewise_zip_hamming_distance(
self.seedfile.path, self.fuzzedfile.path)
else:
self.hd_bits = hamming.bitwise_hamming_distance(
self.seedfile.path, self.fuzzedfile.path)
self.hd_bytes = hamming.bytewise_hamming_distance(
self.seedfile.path, self.fuzzedfile.path)
except KeyError:
# one of the files wasn't defined
logger.warning(
'Cannot find either sf_path or minimized file to calculate Hamming Distances')
except AssertionError:
# Some apps change the size of the file they open. BFF-1017
logger.warning(
'File size changed on disk. Cannot calculate Hamming Distances')
# We'll use -1 HD as indication of unexpected size change
self.hd_bits = -1
self.hd_bytes = -1
logger.info("crasher=%s bitwise_hd=%d", self.signature, self.hd_bits)
logger.info("crasher=%s bytewise_hd=%d", self.signature, self.hd_bytes)
def calculate_hamming_distances(self):
try:
self.hd_bits = hamming.bitwise_hamming_distance(self.seedfile.path, self.fuzzedfile.path)
self.hd_bytes = hamming.bytewise_hamming_distance(self.seedfile.path, self.fuzzedfile.path)
except KeyError:
# one of the files wasn't defined
logger.warning('Cannot find either sf_path or minimized file to calculate Hamming Distances')
def calculate_hamming_distances(self):
try:
self.hd_bits = hamming.bitwise_hamming_distance(
self.seedfile.path, self.fuzzedfile.path)
self.hd_bytes = hamming.bytewise_hamming_distance(
self.seedfile.path, self.fuzzedfile.path)
except KeyError:
# one of the files wasn't defined
logger.warning(
'Cannot find either sf_path or minimized file to calculate Hamming Distances'
)